CARBON DIOXIDE CAPTURE AND CONVERSION TO A CARBAMATE SALT AND POLYUREA
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United States of America Patent
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Jan 23, 2014
app pub date -
Jul 17, 2012
filing date -
Jul 17, 2012
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Abstract
A method for treating carbon dioxide includes preparing a polyamine composition and delivering a stream containing carbon dioxide to the polyamine composition. The carbon dioxide reacts with polyamine in the polyamine composition to form a carbamate salt. A method for producing polyurea from carbon dioxide includes delivering a stream containing carbon dioxide to a polyamine composition. The carbon dioxide reacts with polyamine in the polyamine composition to form a carbamate salt. The method also includes dehydrating the carbamate salt to produce polyurea.
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